Index: sources/canbus/FrameInterface.cpp
===================================================================
diff -u -r119cd695daee08e15d7a4132b0a64c6c2242fb44 -rba662b0a7772c952a1947c93f623d8907f2c7278
--- sources/canbus/FrameInterface.cpp	(.../FrameInterface.cpp)	(revision 119cd695daee08e15d7a4132b0a64c6c2242fb44)
+++ sources/canbus/FrameInterface.cpp	(.../FrameInterface.cpp)	(revision ba662b0a7772c952a1947c93f623d8907f2c7278)
@@ -178,9 +178,13 @@
     case eDG_Dialin:
     case eDialin_UI:
     case eUI_Dialin:
-        channelGroup = ChannelGroup::eChannel_Listens;
-        debugChannel = true;
-        ok = true; // it's still false since UI is not handling any messages coming from Debug Channels.
+        if ( gEnableDialinUnhandled ) {
+            channelGroup = ChannelGroup::eChannel_Listens;
+        } else {
+            channelGroup = ChannelGroup::eChannel_Ignores;
+        }
+        debugChannel = ! gEnableDialinUnhandled; // if debug channel is true, the raw can message in logged in the service log.
+        ok           =   gEnableDialinUnhandled; // if ok is true then it will be interpreted as unhandled messages.
         break;
 
     case eChlid_HD_DG    :
@@ -241,11 +245,17 @@
     quint32 mFrameId = vFrame.frameId();
 
     ChannelGroup channelGroup = checkChannel(mFrameId, &ok, &debugChannel);
-    if (!ok) {
-        QString message           = "Unexpected Channel\r\n";
-        if (debugChannel) message = "Debug Channel\r\n";
-        LOG_DEBUG(message +
-                  Format::toHexString(mFrameId, false, eLenChannelDigits) + " -- " + vFrame.payload().toHex(' '));
+
+    QString logMessage;
+    if ( debugChannel ) {
+        logMessage = "Debug Channel\r\n" +
+                Format::toHexString(mFrameId, false, eLenChannelDigits) + " -- " + vFrame.payload().toHex(' ');
+        LOG_DEBUG(logMessage);
+    }
+    if ( ! ok         ) {
+        logMessage = "Unexpected Channel\r\n" +
+                Format::toHexString(mFrameId, false, eLenChannelDigits) + " -- " + vFrame.payload().toHex(' ');
+        LOG_DEBUG(logMessage);
         return;
     }